package com.ks.utils.image;

import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;

import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;


/**
 * 图片转二进制或二进制转图片
 * @author pks
 * @version 2020年2月26日 
 */
public class SUtilImage {
	public static BASE64Encoder encoder = new sun.misc.BASE64Encoder();   
	public static BASE64Decoder decoder = new sun.misc.BASE64Decoder();  

	public static String getImageBinary(String path){   
        File f = new File(path);	//这里gif动态图不可以，虽然在后面也能输出gif格式，但是却不是动图
        BufferedImage bi;   
        try {   
            bi = ImageIO.read(f);   
            ByteArrayOutputStream baos = new ByteArrayOutputStream();   
            ImageIO.write(bi, "jpg", baos);   
            byte[] bytes = baos.toByteArray();   
            return encoder.encodeBuffer(bytes).trim();   
        } catch (IOException e) {   
            e.printStackTrace();   
        }   
        return null;   
    } 
	
	public static void base64StringToImage(String base64String,String path){   
        try {   
            byte[] bytes1 = decoder.decodeBuffer(base64String);   
            ByteArrayInputStream bais = new ByteArrayInputStream(bytes1);   
            BufferedImage bi1 =ImageIO.read(bais);   
            File w2 = new File(path);//可以是jpg,png格式   
            ImageIO.write(bi1, "jpg", w2);//不管输出什么格式图片，此处不需改动   
        } catch (IOException e) {   
            e.printStackTrace();   
        }   
    }
	
}
